Jessica Jones is a hard-nosed private investigator, and the dark underbelly of the Marvel Universe is her beat. But it wasn't always this way. Once, Jessica stood alongside Earth's Mightiest Heroes, the Avengers, as a costumed super hero. What changed? What ended her crimefighting career before it even got started? Now, for the first time, learn all of Jessica's hidden secrets - how she was orphaned, how she got her powers...and the dark, unspoken chapter in Marvel Universe history that changed her life forever. Guest-starring Peter Parker, Jean Grey, Luke Cage, Ant-Man and the Avengers! Collecting ALIAS #22-28.